in geneva, a nonprofit group formed to investigate this painting, insists this is a second mona lisa, also painted by leonardo e wasnci, of the same woman when she was 10 years younger than drawne that's drawn millions to the louvre museum in paris. to support their case, they mrepared a film providing an rray of old documents purporting to show leonardo painted the image twice. they provided what they said was scientific proof using modern sc quesning techniques and brought ra an f.b.i.-trained specialist to show that a 10-years-younger mona lisa would have looked like this. and they cited art experts. >> for me, this is an original of leonardo. >> reporter: no, it isn't, say other experts, like the man whose written numerous books to leonardo, oxford university's rtrtin kemp. >> i think this is a copy, yes, an nd it's a much-copied picture. >> reporter: the hint-- it's too perfect. onardo f fiddled with his chntings, changed things, and nois one shows no fiddling. well, ifs behind the claim? >> well, if it were an early version of the mona lisa, we're talking, what, $100 million- plus. y
